<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>购物车</title>
	<script type="text/javascript">
		$(function () {
			// 给 【删除】绑定单击事件
			$("a.deleteItem").click(function () {
				return confirm("你确定要删除【" + $(this).parent().parent().find("td:first").text() +"】吗?")
			});
			// 给清空购物车绑定单击事件
			$("#clearCart").click(function () {
				return confirm("你确定要清空购物车吗?");
			})
			// 给输入框绑定 onchange内容发生改变事件
			$(".updateCount").change(function () {
				// 获取商品名称
				var name = $(this).parent().parent().find("td:first").text();
				var id = $(this).attr('bookId');
				// 获取商品数量
				var count = this.value;
				if ( confirm("你确定要将【" + name + "】商品修改数量为：" + count + " 吗?") ) {
					//发起请求。给服务器保存修改
					location.href = "cartServlet?action=updateCount&count="+count+"&id="+id;
				} else {
					// defaultValue属性是表单项Dom对象的属性。它表示默认的value属性值。
					this.value = this.defaultValue;
				}
			});
		});
	</script>
	<style>
		a{
			text-decoration: none;
		}
	</style>
	<%-- 静态包含 base标签、css样式、jQuery文件 --%>
	<%@ include file="/pages/common/head.jsp"%>
</head>
<body>

<div id="header0">
	<img alt="loading" src="static/img/steam_logo.jpg" width="120px" height="100px"  align="middle" style="margin-top: -12px;cursor: pointer;border-radius: 5px">&nbsp;&nbsp;
	<a href="pages/user/first_page.jsp">首页</a>&nbsp;
	<a href="#">热销</a>&nbsp;
	<a href="userServlet?action=logout">注销</a>&nbsp;&nbsp;
	<a href="orderServlet?action=list">我的订单</a>&nbsp;
	<a href="manager/bookServlet?action=list">游戏管理</a>&nbsp;
	<a href="pages/manager/manager.jsp">后台管理</a>
	<a style="color: white"  href="pages/cart/cart.jsp">购物车</a>&nbsp;
</div>

        <div id="main">
            <table>
                <tr>
                    <td>商品名称</td>
                    <td>数量</td>
                    <td>单价</td>
                    <td>金额</td>
                    <td>操作</td>
                </tr>
                <c:if test="${empty sessionScope.cart.items}">
                    <%--如果购物车空的情况--%>
				<tr>
					<td colspan="5"><a href="index.jsp">亲，当前购物车为空！快跟小伙伴们去浏览商品吧！！！</a> </td>
				</tr>
			</c:if>
			<c:if test="${not empty sessionScope.cart.items}">
				<%--如果购物车非空的情况--%>
				<c:forEach items="${sessionScope.cart.items}" var="entry">
					<tr>
						<td>${entry.value.name}</td>
						<td>
							<input class="updateCount" style="width: 80px;"
								   bookId="${entry.value.id}"
								   type="text" value="${entry.value.count}">
						</td>
						<td>${entry.value.price}</td>
						<td>${entry.value.totalPrice}</td>
						<td><a class="deleteItem" href="cartServlet?action=deleteItem&id=${entry.value.id}">删除</a></td>
					</tr>
				</c:forEach>
			</c:if>
		</table>
		<%--如果购物车非空才输出页面的内容--%>
		<c:if test="${not empty sessionScope.cart.items}">
			<div class="cart_info">
				<span class="cart_span">购物车中共有<span class="b_count">${sessionScope.cart.totalCount}</span>件商品</span>
				<span class="cart_span">总金额<span class="b_price">${sessionScope.cart.totalPrice}</span>元</span>
				<span class="cart_span"><a id="clearCart" href="cartServlet?action=clear">清空购物车</a></span>
				<span class="cart_span"><a href="orderServlet?action=createOrder">去结账</a></span>
			</div>
		</c:if>
	
	</div>

</body>
</html>